Abstract: A film whose outer layer is composed of a molding composition which is in essence composed of the following components: a) from 3 to 50% by weight of a polyamide, selected from the group of PA11 and PA12, and b) from 50 to 97% by weight of a polyamide, selected from the group of PA1012 and PA1212, where the percentages are based on the entirety of components a) and b), is suitable for decoration of moldings which retain their gloss during their service time.

Abstract: Process for preparing ultrafine powders based on polyamides by contacting polyamides having a relative solution viscosity ?rel in the range from 1.5 to 2.0, measured in 0.5% m-cresol solution at 25° C., with an alcoholic medium in the presence of inorganic particles under the action of pressure and/or temperature to generate an at least partial solution, and then precipitating the polyamide from the at least partial solution, characterized in that a suspension of the inorganic particles suspended in the alcoholic medium is used. The resulting ultrafine polyamide powders have a specific BET surface area in the range of 5-100 m2/g; a fineness d50 of less than 70 ?m; an apparent density AD in the range from 250 to 1000 g/l; and a particle content of 0.1 to 80% by weight of inorganic particles based on the total weight of the polyamide powder. They are equally suitable for coatings and for mouldings and components with improved mechanical properties.

Abstract: Compositions comprising an organic polymer as the matrix and inorganic particles as the filler and exhibiting in mixture a) 20 to 99.9% by wt. of an organic polymer and b) 0.1 to 80% by wt. of inorganic particles, where the sum of the constituents a) and b) amounts to 100% by wt.; and optionally c) 0 to 100 parts by weight of b) of various additives, in which case the content of the additives c) relates to the sum of a) and b), calculated as 100 parts by weight. characterized in that the composition can be obtained by incorporating particles and optionally other additives into the polymer matrix, in which case the particles to be incorporated i) are aggregates of globular primary particles; ii) the size of the primary particles is in a range of 0.5 nm to less than 100 nm; iii) the volume-weighted median value d50 of the particles is in a range of greater than 0.50 ?m to 0.

Abstract: A multilayer film which comprises the following layers: I. an upper layer composed of a polyamide molding composition which is transparent at the selected layer thickness, and II. a lower layer composed of a polyamide molding composition which comprises the following components: a) from 70 to 99% by weight of a polyamide selected from ?) polyamides that can be prepared from lactam monomers or from the corresponding ?-aminocarboxylic acids having 6, 7, 8, 9, 10, 11, or 12 carbon atoms, ?) polyamides based on diamine and dicarboxylic acids, in each case having from 6 to 18 carbon atoms, ?) polyamide elastomers that can be prepared from oligomeric, difunctional units based on one of the polyamides mentioned under ?) and ?), and on a difunctional oligoalkylene glycol, ?) copolyamides that can be prepared from the following components: from 50 to 99.

Abstract: A molding composition which comprises the following components: a) a semicrystalline copolyamide and b) an effective amount of a crystallization aid selected from nanoscale fillers and metal salts, metal oxides, or metal hydroxides which can react with the carboxy end groups of the copolyamide, where the copolyamide can be prepared from the following monomer combination: ?) from 50 to 99 mol % of a lactam or of a corresponding co-aminocarboxylic acid having 8, 9, 10, 11, or 12 carbon atoms or of a substantially equimolar mixture composed of a diamine and of a dicarboxylic acid, where the diamine has been selected from the group of 1,6-hexamethylenediamine, 1,8-octamethylenediamine, 1,10-decamethylenediamine, and 1,12-dodecamethylenediamine, and the dicarboxylic acid has been selected from the group of sebacic acid and 1,12-dodecanedioic acid, and ?) from 1 to 50 mol % of a substantially equimolar mixture composed of a diamine and of a dicarboxylic acid, where either the diamine or the dicarboxylic acid

Abstract: (EN) The invention concerns a method for producing a thermoplastic molding material or element, said material or element containing nanometric inorganic particles. In molten state, the thermoplastic is mixed with the nanometric inorganic particles and with a solubilizing agent in a conveyor screw extruder, the pressures and temperatures being adjusted so that the plastic is in melt form and the solubilizing agent in supercritical state. The invention is characterized in that at the output of the extruder, the mixture passes through a slot with a passage less than 20 $g(m)m to penetrate into an expansion zone and the molten material, wherein are incorporated the nanometric inorganic particles, is evacuated, reduced into molding material after cooling or transferred into a molding tool to be molded. The invention also concerns the molding material and the molding elements obtained by this method, as well as the uses thereof.

Abstract: The invention relates to the use of a molding composition which comprises at least 50% by weight of a copolyamide, which is composed of the following monomer combination: a) from 65 to 99 mol % of a substantially equimolar mixture composed of an unbranched aliphatic diamine having from 6 to 18 carbon atoms and of an unbranched aliphatic dicarboxylic acid having from 6 to 18 carbon atoms, where the mixture composed of diamine and dicarboxylic acid comprises an average of from 8 to 12 carbon atoms, b) from 1 to 35 mol % of a substantially equimolar mixture composed of a cycloaliphatic diamine having from 8 to 20 carbon atoms and of a dicarboxylic acid having from 6 to 18 carbon atoms, for production of a printable or printed item, such as a ski topcoat.

Abstract: The present invention relates to high-transparency plastic materials which are laser-markable and/or laser-weldable due to a content of nanoscale laser-sensitive metal oxides. These plastic materials, which may be provided as molded bodies, semifinished products, molding compounds, or lacquers, particularly contain metal oxides having particle sizes from 5 to 100 nm and a content of 0.0001 to 0.1 weight-percent. Typical metal oxides are nanoscale indium-tin oxide or antimony-tin oxide. These materials may be used in particular for producing laser-markable production products.

Abstract: An adhesion promoter which comprises from 2 to 100% by weight of a copolymer which contains the following monomer units: a) from 70 to 99.9% by weight of monomer units which derive from vinyl compounds selected from acrylic acid derivatives, methacrylic acid derivatives, and vinylaromatics, and also b) from 0.1 to 30% by weight of monomer units which contain a functional group selected from a carboxylic anhydride group, an epoxy group, and an oxazoline group, is used for production of a bond between I. a layer composed of a polyamide molding compound, and II. a part composed of an ABS molding composition.

Abstract: A decorative film having an outer layer containing a polyamide composition with the following components: a) from 50 to 100 parts by weight of polyamide prepared from: ?) from 70 to 100 mol % of diamine selected from m-xylylenediamine, p-xylylenediamine and mixtures thereof, ?) from 0 to 30 mol % of other diamines having from 6 to 14 carbon atoms, and ?) from 70 to 100 mol % of aliphatic dicarboxylic acids having from 10 to 18 carbon atoms and ?) from 0 to 30 mol % of other dicarboxylic acids having from 6 to 9 carbon atoms, and b) from 0 to 50 parts by weight of another polyamide, where a) and b) total 100, having good chemicals resistance, good stress cracking resistance, improved scratch resistance, and improved gloss.

Abstract: The present invention relates to transparent, translucent, or opaque plastic materials that are tinted due to colorants, which are laser-weldable due to a content of nanoscale laser-sensitive particles. These plastic materials, which may be provided as molded bodies, semifinished products, or lacquer coatings, particularly contain laser-sensitive particles with a particle size from 5 to 100 nm and a content from 0.0001 to 0.1 weight had percent. Typical compounds are nanoscale indium-tin oxide, antimony-tin oxide, indium-zinc oxide, and lanthanum hexaboride.

Abstract: The present invention relates to plastic molded bodies having two-dimensional or three-dimensional image structures produced in the interior through laser subsurface engraving. The plastic molded bodies are made of plastic materials which have a content of nanoscale metal oxides having particle sizes from 1 to 500 nm, both the plastic material and also the included metal oxide being transparent to the laser light used for producing the image structures. The plastic materials from which the molded bodies are manufactured particularly contain metal oxides having particle sizes from 5 to 100 nm at a content of 0.0001 to 0.1 weight-percent. Typical metal oxides are nanoscale indium-tin oxide or antimony-tin oxide.

Abstract: The present invention provides a layered composite, which includes the following layers: (I) a layer I composition including: (a) from 0 to 80 part by weight of at least one polyamide selected from the group including PA6, PA66, PA6/66 and mixtures thereof; (b) from 0 to 100 parts by weight of at least one polyamine-polyamide copolymer that includes the following monomer units: (?) from 0.

Abstract: The invention relates to a polymer composition which comprises at least one at least semicrystalline polymer having no ionic groups and comprises at least one compound with plasticizing properties, and which comprises having 0.1 to 30% by weight of ionic liquid as plasticizer, and also to the use of this polymer composition, and a process for its preparation.

Abstract: An element of a line system of a fuel cell, in which the part which is in contact with the medium being conveyed comprises a polyamide molding composition and, in addition, at least one further layer selected from among: a) a layer II of a further polyamide molding composition; b) a layer III of a molding composition comprising a functionalized polyolefin; c) a layer IV of a polyolefin molding composition in which the polyolefin is not functionalized; and d) a layer V of an EVOH molding composition, is present, can be produced inexpensively and has a good barrier action against the medium being conveyed.

Abstract: The present invention provides a layered composite, which includes the following layers:

Abstract: A component of a line system of a fuel cell, comprises:

Abstract: A molding composition which comprises the following components:

Abstract: A thermoplastic multilayer composite, and articles made therefrom, which has at least one layer I of a thermoplastic molding composition, at least one layer II of a further thermoplastic molding composition, bonded together with at least one layer of an adhesion promoter disposed between at least one layer I and at least one layer II. The adhesion promoter is at least 5% by weight of a graft copolymer prepared from 0.5 to 25% by weight, based on the total amount of graft copolymer, of a polyamine having at least 4 nitrogen atoms and having a number average molecular weight Mn of at least 146 g/mol, and polyamide-forming monomers selected from lactams, &ohgr;-aminocarboxylic acids, equimolar mixtures of diamines and dicarboxylic acids, and their mixtures.